
Giant Ojou-sama
Giant Ojou-sama shares the Action, Comedy genres and similar themes: Female Protagonist.
View detailsThe 8 best manga like Oni-Deka! — also known as mangas like Oni-Deka! — that readers recommend next.
If you loved Oni-Deka!, you're in for a treat. This Action, Comedy, Romance manga (2015) is beloved for its Aliens, Kaiju, Female Protagonist elements, and the titles below share that same DNA — handpicked based on community votes, overlapping genres, and thematic similarities. Each recommendation is ranked by reader affinity on AniList.

おにでか!
Kiryuin Hanao is the idol of her school and her childhood friend Takezou Watanabe is always by her side, helping her throughout her activities. But when she suddenly becomes a giantess, she is forced to return to her old ways in order to protect the city and her friends. However, it soon becomes apparent that Kiryuin is not the only girl to be afflicted with a sudden change in stature...
Kiryuin Hanao is the idol of her school and her childhood friend Takezou Watanabe is always by her side, helping her throughout her activities. But when she suddenly becomes a giantess, she is forced to return to her old ways in order to protect the city and her friends. However, it soon becomes app...
Oni-Deka! has 35 chapters.
Oni-Deka! belongs to the Action, Comedy, Romance, Supernatural genres.
The top manga similar to Oni-Deka! include Giant Ojou-sama, My Girlfriend is 8 Meters Tall, Maji de Kawaii na Koitsu. These share key genres and themes with Oni-Deka!.